Flashing



Patented Oct. 6, 1936 PATENT OFFICE FLASHING Harvey H. Habicht, Maplewood, N. J., assignor to M. H. Donovan & Company, Newark, N. J., a corporation of New Jersey Application January 12, 1932, Serial No. 586,122

9 Claims. (Cl. 'l2-127) This invention relates in general to interlocking metal flashing, that is, flashing preferably comprising a strip of sheet metal so shaped that when it is arranged in a mortar joint between two courses of a masonry wall, a mechanical bond will be provided between the flashing, the mortar and the adjacent courses lof masonry.

One object of the invention is to provide a novel and improved flashing of this character comprising a strip of sheet metal having a plurality of alternate transverse grooves and ribs upon each side of the strip, the grooves and ribs being so shaped as to provide a secure bond between the flashing and a mortar joint in which the flashing is embedded and prevent movement of the ilashing in all directions.

Other objects are to provide wall ashing comprising a strip of metal having a plurality of alternate transverse ribs and grooves onboth sides thereof, each sidev of each rib and `groove'having a plurality of continuous portions extending in different directions transversely of the strip, Aso as to provide a bond between the flashing and a mortar joint in which the hashing is embedded and to prevent movement of the hashing both longitudinally and transversely of the joint; to provide such a hashing having a flange at one edge of the strip provided with transverse ribs and grooves which are continuations of the ribs and grooves of the main portion of the strip; to provide a flashing of this character wherein the ribs and grooves are tortuous or serpentine, or wherein each side of each rib and groove consists of a plurality of alternately oppositely curved portions; and to obtain other advantages and results as will be brought out by the following description.

Referring to the accompanying drawing, in which corresponding and like parts are designated throughout the several Views by the same reference characters,

Figure 1 is a sectional perspective view of a piece of metal ashing embodying my invention, showing it in a masonry wall;

Figure 2 is a longitudinal sectional view, on the line 2-2 of Figure 1;

Figure 3 is a transverse vertical sectional view, on the line 3-3 of Figure 1;

Figure 4 is a horizontal sectional View, onthe line 4-4 of Figure 1;

Figure 5 is a fragmentary perspective view of one end of a piece of ashing;

Figure 6 is a view similar to Figure 1, showing a modification of the invention, and

Vthe grooves on one side of the strip are wider .than the grooves on the other side, which makes the ribs on the first-mentioned side narrower than the ribs on the second-mentioned side. However, it is within the scope of the invention to make the grooves and ribs of the same width on both sides of the strip.

The grooves and ribs are shown as tortuous or serpentine, each side of each groove and rib having a plurality of alternately oppositely continuous curved portions 4 and 5 so that certain portions of the sides of said grooves and ribs extend transversely of the strip in one direction while other portions extend transversely of the strip in another direction. Also, preferably the side walls of the grooves and ribs are inclined to both sides of the strip, as indicated at 6, and preferably opposite sides of each groove and rib are inclined to each other, as clearly shown in Figure 2 of the drawing. As shown, each groove and rib is of uniform width throughout its length and its longitudinal median line extends at substantially right angles to the edges of the strip, but obviously the grooves and ribs may be otherwise shaped and might be arranged obliquely to the edges of the strip.

One longitudinal edge of the strip is also preferably provided with a ilange l, and the grooves and ribs 2 and 3 are continued transverselyl of the flange, as clearly shown in Figures 1 to 4.

One end of the strip is provided'with a downturned flange I0 for interlocking with one side wall of one of the grooves 2 in another strip, and preferably the down-turned flange has an extension II which is arched upwardly.

'I'he drawing shows one manner of using the flashing, and as illustrated, a strip of the flashing is embedded in a layer of mortar 8 between courses of bricks 9, with the end ange Ill at one end of one strip interlocking with the side wall of a groove in the next adjacent strip, and the arched edge portion II providing a space between itself and the bottom of the groove with which the flange lll interlocks, so as to permit water to escape in the space between the arched portion I I and the bottom of the adjacent groove. The longitudinal flange 'I lies against the face of the wall, extending downwardly. The strip of flashing is preferably slightly less in width than the wall in which it is embedded, so that the mortar joints may be pointed in the usual manner.

Other ways of using the flashing will occur to those skilled in the art, and in many instances the flange 'I may b-e omitted.

It will be observed from the foregoing that the grooves and ribs 2 and 3, due to their peculiar shape, will interlock with the mortar along irregular lines so as to prevent movement of the' flashing strips relative to each other and to the joint in all directions longitudinally, transversely and vertically of the joint, and the several alternately oppositely curved portions 4 and 5 of the grooves and ribs increase the strength of the mechanical bond between'the flashing and the mortar. Also, these grooves and ribs reenforce the strip against bending and distortion. The strips of flashing may be Veasily and quickly positioned in a joint, and the flanges l provide for a secure interlock between the various strips in such a manner as to prevent accidental displacement of the strips afterthey have once been -interlocked Y A modification Yof the invention is .shown in Figures 6 and 'l of the drawing, where the grooves and ribs 2 and 3 terminate at the juncture of the main portion of the strip with the flange l. The flange is provided with a plurality of groups of corrugations I2 which extend transversely of the flange with each group merging into-.the end of one of the grooves 2. These -corrugations reenforce the flange, and also com- .pensate for the metal displaced by the formation of Vthe grooves and ribs 2 and 3 at the juncture of the main portion of the strip with the flange 1.

While I have shown and described the invention as embodied in certain details-of construction, it should be understood :that this is .primarily for the purpose of illustrating thel p rinciples of the invention, and Athat the shape and arrangement of the ribs and grooves 2f and 3 as Well as other details, may be modied and changed by those skilled in the art Without departing from the spirit or scope of the invention.

Having thus described the invention, what I claim is:

1.. A flashing comprising a strip of sheet metal having a plurality of alternate transversegrooves and ribs bent in each side thereof, each side wall of each groove and rib having a plurality of alternately -oppositely curved portions, whereby to provide -a bond between the ashing and mortar along irregular lines and to reenforce the sheet against bending.

2. A lashing comprising Va strip of sheet metal having a plurality of alternate transverse grooves and ribs bent in each side thereof, the side walls strip.

of each groove and rib being serpentine transversely of the strip, the end rib at one side of one end of the strip and the end groove at the opposite side of the other end of said strip having one side wall to interlock with the side of the end groove and the side of the end rib respectively of another strip.

3. A flashing comprising a strip of sheet metal having a plurality of alternate transverse grooves and ribs bent in each side thereof, the sides of lsaid grooves and ribs beingserpentine transversely of the strip whereby to provide a bond between the flashing and mortar along irregular lines and to reenforce the strip against bending.

4. A flashing comprising a strip of sheet metal having a plurality of alternate transverse grooves and ribs bent in each side thereof, each side v.Wall of each groove and rib having a plurality of continuous portions extending in different directions transversely of the sheet, whereby to providev a bond between the flashing and mortar lalong irregular lines and to reenforce the sheet Aagainst bending.

5. A flushing comprising a strip of sheet metal 'having a plurality of alternate transverse grooves 'and ribs bent in each side thereof, each side wall of each groove and rib having a plurality of continuous'portions extending in different directions transversely of the strip, and inclined to both sides lof. said strip, opposite sides of each groove Z and rib being also inclined to each other. i

V6. A flashingcomprising a :strip of sheet metal having alternatetransverse grooves and ribs bent in each side thereof, each sidewall of each groove and rib having a plurality vof continuous portions extending in different directions transversely of the strip, said strip having a ange at one longitudinal edge to overlie the face of a wall, and a plurality ofgroups of corrugations extending transversely of said flange, each group merging into one of said grooves.V

'7. The flashing set forth in claim 3 wherein said strip'has a flange at one longitudinal edge to overlie the face of a walland said grooves and ribs are continuous .across said flange.

8. The flashing set forth in vclaim Llvvherein said strip has a flange at one longitudinal ledge to overlie the facerof a Wall and said grooves and ribs are continuous across said flange. 9. A flashing comprising a strip of sheet metal having alternate transverse grooves and ribs bent in each side thereof, each side wall of each groove and rib having a plurality of continuous portions extending in different directions transversely of the Strip, the end rib at one side of onel end of HARVEY H. HABICHT. 

